Káj Mick has always been called Kočka (Cat). He is a sensitive young man who reacts violently to the misunderstanding of both his family and his surroundings. Finding his own way in life is his problem...

Princess Blanka (Aglaia Morávková) is secretly meeting her beloved, huntsman Ondrej (Jirí Papez). Only the chamber-maid Anezka (Jirina Bohdalová) is in favour of their love but Blanka’s father, the King (Jaroslav Marvan), mustn’t find out anything about it. Blanka is refusing all the bridegrooms the King has invited to the castle. The King has enough of his daughter’s moodiness and shuts her up in the tower. The suitors must search for her and she is to marry the one who finds her first.